Sine Cosine Potentiometers - nonlinear

Special potentiometer with sine/cosine signal

Sine/cosine potentiometers represent a special case in the range. They allow conductive plastic potentiometers to be operated as "multiturn potentiometers", so to speak, for the entire 360° range. This is achieved by using two wipers on the resistance track. One wiper is used for sine and one for cosine at 90° intervals.

To pick up the signal, two terminals each for positive and negative voltage (opposite), as well as two for ground (also opposite) are placed on the resistor track. When the shaft rotates, a continuous, periodic signal in sine and cosine form is generated at the sliders.

The sliders always provide a signal for the 360° range and there is no dead zone as with standard conductive plastic potentiometers. Due to the possibility of combining the two signals in the evaluation, a digital incremental signal with information on the direction of rotation can be generated by interpolation.


3 results found
Conductive Plastic Potentiometer-SCX22
SIN-COS Potentiometer SCX22
Compact non-linear potentiometer in Ø22 mm metal housing with very long lifespan and opt. rear shaft
  • Precise sinus cosines potentiometer in 22 mm housing
  • Very long lifespan
  • 2 x ball bearings
  • Effective electrically angle of rotation 360°
Conductive Plastic Potentiometer-SCX30
SIN-COS Potentiometer SCX30
Precise non-linear potentiometer in Ø27 mm metal housing with very long lifespan and opt. rear shaft
  • Very precise sinus cosines potentiometer
  • High resistance versions
  • Very long lifespan
  • 2 x ball bearings
  • Electrically effective angle of rotation 360°
Conductive Plastic Potentiometer-SCX50
SIN-COS Potentiometer SCX50
Very precise non-linear potentiometer in Ø51 mm metal housing with very long lifespan and opt. rear shaft
  • Very precise sinus cosines potentiometer
  • Power rating up to 1,25 W
  • Very high resistance versions
  • Very long lifespan
  • 2 x ball bearings
  • Electrically effective angle of rotation 360 °
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